AST 5200 Series Coilovers

2012–2015 BMW M3 / M4 5200 Series Coilovers

Part #: RIV-B2102SD

Overview

The AST 5200 Series Coilovers are a high-performance suspension upgrade designed specifically for the 2012-2015 BMW M3 and M4 models. Engineered for enthusiasts who demand precise handling and exceptional control, these coilovers elevate your vehicle's driving experience whether on the street or the track. With their advanced adjustability features, you'll be able to fine-tune your suspension setup to match your driving style and conditions, ensuring optimal performance at all times.

Built with a focus on durability and responsiveness, the 5200 Series coilovers are ideal for spirited driving, track days, or aggressive street use. They help improve cornering stability, reduce body roll, and enhance overall vehicle control. Whether you're a seasoned racer or a passionate enthusiast, these coilovers provide the tools needed to challenge your vehicle and unlock its full potential.

Key Features

Designed with performance and precision in mind, the AST 5200 Series Coilovers incorporate several advanced features:

• 2-Way Adjustable, allowing separate tuning of rebound and compression damping for tailored handling characteristics.
• Remote reservoir design ensures consistent damping performance by maintaining oil temperature and reducing fade during extended use.
• Adjustable ride height with a wide range to achieve your preferred stance and clearance, from aggressive lowering to more street-friendly setups.
• High-quality materials and construction, including CNC-machined components and TIG-welded aluminum bodies, for durability and lightweight performance.
• Seamless damping adjustment feedback with clearly marked settings, enabling precise tuning for different driving scenarios.
• Compatible with OEM mounting points, ensuring a straightforward bolt-on installation without modifications.
• Optimized for track use but versatile enough for daily driving, providing a perfect balance between comfort and performance.

Construction & Design

The AST 5200 Series Coilovers feature a robust construction built to withstand the rigors of high-performance driving. The shock bodies are made from lightweight yet durable aluminum, which helps reduce unsprung weight and improve handling response. The remote reservoirs are connected via high-pressure hoses, allowing for better heat dissipation and consistent damping performance during extended sessions on the track.

The damping adjustments are made via precision-machined knobs, giving you fine control over rebound and compression settings. The coilovers are fully rebuildable and serviceable, ensuring long-term reliability and performance. Their design emphasizes ease of adjustment, durability, and precise handling, making them a top choice for serious BMW enthusiasts.

Installation & Fitment

The AST 5200 Series Coilovers are designed as a direct bolt-on upgrade for the 2012-2015 BMW M3 and M4 models. Installation typically requires basic tools and can be completed with standard mechanical skills. No cutting, drilling, or complex modifications are necessary. For optimal results, a professional alignment is recommended after installation to ensure proper handling and tire wear.

• Seamless bolt-on installation using factory mounting points
• No need for additional modifications or tuning for initial setup
• Adjustable ride height and damping for personalized setup

What's Included

• Complete set of front and rear coilovers with remote reservoirs
• All necessary mounting hardware and adjustment tools
• Installation instructions

Ideal For

• Performance enthusiasts seeking precise handling and adjustability
• Track day racers and autocross competitors
• BMW M3 and M4 owners who want to improve cornering and stability
• Drivers looking for a customizable suspension setup for spirited driving